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nearshore marine forecast
national weather service buffalo ny
403 am edt sun oct 19 2025

for waters within five nautical miles of shore

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.


loz045-191500-
mexico bay to the saint lawrence river along lake ontario-
403 am edt sun oct 19 2025

...small craft advisory in effect through tuesday morning...

.today...southeast winds 15 to 25 knots becoming south to
30 knots. mostly sunny. waves 2 to 4 feet building to 3 to
6 feet. waves occasionally around 7 feet. 
.tonight...south winds to 30 knots becoming southwest 15 to
25 knots. showers. waves 3 to 6 feet building to 4 to 7 feet,
then subsiding to 3 to 6 feet. waves occasionally around 9 feet. 
.monday...northwest winds 15 to 25 knots becoming west to
30 knots. showers. waves 4 to 7 feet building to 7 to 11 feet.
waves occasionally around 14 feet. 
.monday night...west winds to 30 knots diminishing to 15 to
25 knots. showers likely in the evening, then a chance of showers
overnight. waves 7 to 11 feet subsiding to 3 to 6 feet. waves
occasionally around 14 feet. 
.tuesday...southwest winds 10 to 15 knots becoming south 15 to
20 knots. a chance of showers during the day, then showers
tuesday night. waves 3 to 5 feet subsiding to 2 to 4 feet. waves
occasionally around 6 feet. 
.wednesday...southwest winds 15 to 25 knots. showers. waves 3 to
5 feet building to 4 to 7 feet. waves occasionally around 9 feet.
.thursday...southwest winds 15 to 25 knots becoming west.
showers. waves 4 to 7 feet subsiding to 3 to 6 feet. waves
occasionally around 9 feet. 

$$
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